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RA4M1 Datasheet(PDF) 111 Page - Renesas Technology Corp |
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RA4M1 Datasheet(HTML) 111 Page - Renesas Technology Corp |
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111 / 130 page  R01DS0355EJ0100 Rev.1.00 Page 111 of 130 Oct 8, 2019 RA4M1 Group 2. Electrical Characteristics 2.14 OPAMP Characteristics Note 1. When the operational amplifier reference current circuit is activated in advance. Table 2.68 OPAMP characteristics Conditions: VCC = AVCC0 = 1.8 to 5.5 V (AVCC0 = VCC when VCC < 2.0 V) Parameter Symbol Conditions Min Typ Max Unit Common mode input range Vicm1 Low power mode 0.2 - AVCC0 - 0.5 V Vicm2 High-speed mode 0.3 - AVCC0 - 0.6 V Output voltage range Vo1 Low power mode 0.1 - AVCC0 - 0.1 V Vo2 High-speed mode 0.1 - AVCC0 - 0.1 V Input offset voltage Vioff 3σ -10 - 10 mV Open gain Av 60 120 - dB Gain-bandwidth (GB) product GBW1 Low power mode - 0.04 - MHz GBW2 High-speed mode - 1.7 - MHz Phase margin PM CL = 20 pF 50 - - deg Gain margin GM CL = 20 pF 10 - - dB Equivalent input noise Vnoise1 f = 1 kHz Low power mode - 230 - nV/√Hz Vnoise2 f = 10 kHz - 200 - nV/√Hz Vnoise3 f = 1 kHz High-speed mode - 90 - nV/√Hz Vnoise4 f = 2 kHz - 70 - nV/√Hz Power supply reduction ratio PSRR -90 - dB Common mode signal reduction ratio CMRR - 90 - dB Stabilization wait time Tstd1 CL = 20 pF Only operational amplifier is activated *1 Low power mode 650 - - μs Tstd2 High-speed mode 13 - - μs Tstd3 CL = 20 pF Operational amplifier and reference current circuit are activated simultaneously Low power mode 650 - - μs Tstd4 High-speed mode 13 - - μs Settling time Tset1 CL = 20 pF Low power mode - - 750 μs Tset2 High-speed mode - - 13 μs Slew rate Tslew1 CL = 20 pF Low power mode - 0.02 - V/μs Tslew2 High-speed mode - 1.1 - V/μs Load current Iload1 Low-power mode -100 - 100 μA Iload2 High-speed mode -100 - 100 μA Load capacitance CL --20 pF |
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